Compound Q&A
What is p-Toluenesulfonic acid monohydrate (CAS: 6192-52-5)?
Answer
P-Toluenesulfonic acid monohydrate is a white crystalline solid commonly used as a catalyst in organic synthesis. Its chemical formula is C7H8O3S. It is a strong acid with a pKa of around 0.5, and it is soluble in water and many organic solvents. The monohydrate form contains one molecule of water per molecule of acid, which affects its physical properties and solubility.
About
CAS No
6192-52-5
English Name
p-Toluenesulfonic acid monohydrate
Molecular Formula
C7H10O4S
Molecular Weight
190.21999999999997 g/mol
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.O
InChIKey
KJIFKLIQANRMOU-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:08